燃气管道输气压力等级的划分(含高压)是什么?

2025-03-15 17:23:14
推荐回答(1个)
回答1:

燃气管道根据输气压力分类。

燃气管道设计压力不同,对其安装质量和检验要求也不尽相同,燃气管道按压力分为不同的等级,其分类见表1K415033(表压力)。

城镇燃气管道压力分类(Mh)表IK415033。高压和中压A燃气管道,应采用钢管;中压B和低压燃气管道,宜采用钢管或机械接口铸铁管。中、低压地下燃气管道采用聚乙稀管材时,应符合有关标准的规定

低压管道 0≤P≤1.6MPa

中压管道 1.6

高压管道10

超高压管道 P>100MPa

从广义上理解,压力管道是指所有承受内压或外压的管道,无论其管内介质如何。压力管道是管道中的一部分,管道是用以输送、分配、混合、分离、排放、计量、控制和制止流体流动的,由管子、管件、法兰、螺栓连接、垫片、阀门、其他组成件或受压部件和支承件组成的装配总成。

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